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PN 47555
®
Centrifugal Laboratory Exhaust
Installation, Operation and Maintenance Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with instructions
could result in personal injury and/or property damage! Retain instructions for future reference.
Vektor-CD
Direct or Belt Drive
by
The Vektor-CD fan is a side inlet ce
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Remove any accumulations of dirt, water, ice or snow Receiving and wipe dry before moving to indoor storage. To Upon receiving the product, check to make sure avoid “sweating” of metal parts allow cold parts to all items are accounted for by referencing the bill reach room temperature. To dry parts and packages of lading to ensure all items were received. Inspect use a portable electric heater to get rid of any each crate for shipping damage before accepting moisture build up. Leave cov
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REMOVING FROM STORAGE Vektor-CD Arrangements As fans are removed from storage to be installed in their final location, they should be protected and maintained in a similar fashion, until the fan equipment goes into operation. Prior to assembly and installation of the Vektor fan and system components, inspect the fan assembly to Vektor-CD Vektor-CD make sure it is in working order. Single Fan System Opposed Fan System 1. Check all fasteners, set screws on the fan, wheel, bearings, drive, m
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Curb Installations Bases—Foundation and Isolation Greenheck supplies gasketing material for all multi- Critical to every fan installation is a strong, level section curbs and/or plenums. Install gasketing prior foundation. A reinforced poured concrete pad with to bolting split curbs and or plenums together. a structural steel base or inertia base provides an excellent foundation. Structural bases must be sturdy NOTE: Steel, concrete or wood support is per enough, with welded construction,
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Riser Installation Plenum Assembly Check curb or structural supports for levelness. Both Note: Gasketing material (shipped with fan) should must be level to ensure proper drainage from plenum be placed on the top edge of already installed roof and fan(s). curb prior to placing the plenum or individual plenum sections on the curb. If the plenum is shipped disassembled, the plenum Lab Exhaust Riser sections can be assembled together into one single Riser duct(s) run up through the curb and ar
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Plenum and Curb to Structural Steel Plenum Assembly continued FAN, PLENUM, AND CURB - TO STRUCTURAL STEEL An additional side (or access) panel may need to be 5 FAN AND PLENUM (NO CURB) - ⁄16 in. bolt removed in order to gain access to the inside of the (typical) Weatherhood TO CHANNEL BASE (by Greenheck) with birdscreen plenum assembly. The bolts should be tightened in (optional) Bypass Air an even and consistent manner as to pull the two Plenum sections together and compress the gasketing.
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Four (4) lifting Windband and nozzle assembly, if required: lugs located 1. Place windband on top of nozzle and align brackets with each other. at top of 2. Bolt windband and nozzle together with fasteners provided. windband 3. Lift the assembly with the lifting lugs at the top of the windband and place on top of the fan after the fan is placed. Use the fasteners provided to fasten the nozzle flange to the fan flange. Lifting lugs located at top Span of bypass air plenum Span determines the
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Duct Connections to the Bypass Air Plenum and Fan Drainage Piping and Plenum (BAP) Trap Detail (by others) Connecting primary exhaust air ducts is allowed There are multiple locations for pipe connections, one through the roof curb or through one or more of the on each plenum section, and another on each tubular side access panels. To reduce the potential for system fan housing located at the bottom of the scroll. Each effects in the plenum, the duct connection should drain should be proper
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For Vektor Fans without a Weatherhood A guard / cover is located on the side of the plenum section. Removal of the guard / cover gains access to the damper linkages, actuator (optional from factory) and transformer (optional from factor). The entire bypass damper assembly can be removed through this opening. The isolation damper assembly can be removed from its location by unbolting the frame from the plenum and removing the flex connector. If the Vektor units were not supplied with optio
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leads. Single phase motors can be reversed by Unit Start-Up changing internal connections as described on the motor label or wiring diagram. WARNING 2. If the fan has inlet vanes, they should be partially Disconnect and secure to the “Off” position all closed to reduce power requirements. This is electrical power to the fan prior to inspection especially important if the fan is designed for a or servicing. Failure to comply with this safety high temperature application and is being star
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Fan Operation Serviceable Components All fans should be run every thirty (30) days, or at least Windband “bumped” every thirty days. It is preferred that each fan is run as this causes all electrical and mechanical components to get up to temperature, displacing any formed condensation, redistributes load on bearings, Nozzle and redistributes grease in the bearings (motor and Isolation Damper shaft bearings). Bypass Air Plenum V-Belt Drives Fan Assembly V-belt drives must be checked on a r
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Motors Service Motor maintenance is generally limited to cleaning V-Belt Drives and lubrication. Cleaning should be limited to exterior surfaces only. Removing dust and grease buildup on The V-belt drive components, when supplied by the motor housing assists proper motor cooling. Never Greenheck Fan Corporation, have been carefully wash-down motor with high pressure spray. selected for this unit’s specific operating condition. Caution: Changing V-belt drive components could Greasing of mot
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Bearing Replacement Inlet Cone to Backplate Distance Both drive bearings are accessible from the ground on all Vektor-CD fans. Whether direct or belt driven, “A” Dimension the bearings, along with other serviceable drive Unit Size (inches) components (belts, motors, sheaves) are accessible 1 by removing the motor cover panel. Please contact ± 12 4 ⁄8 Greenheck Fan Corporation for specific instructions 1 ± 15 5 ⁄8 on the replacement of the bearings specific for each 3 1 ± 18 6 ⁄8 ⁄8 Ve
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Troubleshooting Problem Cause Corrective Action Adjust wheel and/or inlet cone. Tighten wheel hub or Wheel rubbing inlet bearing collars on shaft. Tighten sheaves on motor/fan shaft. Adjust belt tension. V-belt drive Align sheaves properly (see procedure). Replace worn belts or sheaves. Excessive noise Replace defective bearing(s). Lubricate bearings. Bearings Tighten collars and fasteners. Clean all dirt off wheel. Check wheel balance, replace if Wheel unbalance necessary. Check wheel for
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Maintenance Log Date __________________ Time _____________ AM/PM Date __________________ Time _____________ AM/PM Notes:___________________________________________ Notes:___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ___________________________________
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Warranty Greenheck warrants this equipment to be free from defects in material and workmanship for a period of three years from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid. Motors are warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck prove defective during this period, they should be returned to the nearest authorized
